At 225 solar masses, this gargantuan merger of two black holes challenges our thinking on these famously elusive objects.

Gravitational-wave detectors have captured their biggest spectacle yet: two gargantuan, rapidly spinning black holes likely forged by earlier smash-ups fused into a 225-solar-mass titan, GW231123. The ...

An international team of physicists discovered the largest-ever merger of 2 black holes through a phenomenon known as ...

The LIGO Hanford Observatory near the Tri-Cities and its twin in Louisiana detected ripples of time and space passing through ...

The future of at least one of the U.S. LIGO observatories is in jeopardy as deep cuts to science programs are proposed by the ...

The Trump administration has called for shutting down either a Tri-Cities, WA, or Louisiana observatory that work in tandem.

A U.S. gravitational wave detector spotted a collision between fast-spinning “forbidden” black holes that challenge physics ...

A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever ...

The merger wasn’t just the biggest ever, but also an event so rare that it challenges existing models for black hole genesis.

The Trump administration has proposed closing either the LIGO Hanford observatory in WA or its twin in Louisiana.

A short-lived ripple in space-time revealed that two black holes merged into a giant black hole with the mass of 225 suns ...